英语六级仔细阅读练习题（2） Passage Two Questions 61 to 65 are based on the following passage. Recent reports suggest that tea can cause brittle bones-but you”ll probably be safe if you drink less than a gallon a day. Do you fancy a cup of tea? We drink, on average, three mugs a day. But you might want to try another strong alcohol after hearing the case of a 47-year-old woman, published in the New England Journal of Medicine (NEJM), who developed brittle bones and lost all of her teeth after drinking too much tea. Tea may not be so great for prostates (前列腺) either. Last year, research from the University of Glasgow found that men who drank more than seven or more cups of tea a day had a 50% higher risk of prostate cancer. And in a paper in the British Medical Journal showed that drinking very hot tea(70oC or more) increased the likelihood of esophageal (食管的) cancer. Still gasping for that cup of tea? There is some evidence that tea can be good for you too, with antioxidant properties, so maybe you”re not actually drinking enough of the stuff. The poor woman in the NEJM study is not alone. There are a few other cases of people who have damaged their bones through too much tea. But she (like those in other studies) was drinking excessive amounts: 100 - 150 tea bags a day to make 12 cups of tea. A litre of tea can contain up to 9mg of fluoride(氟化物), which in excess can cause skeletal fluorosis ( 氟 中 毒 ), reducing bone quality and causing pain and stiffening of the ligaments ( 韧 带 ). Other studies show you generally need to drink a gallon a day for three decades to develop this condition. You also shouldn”t worry about the Glasgow study as it wasn”...
